Negative ma'am they are not Covenant image - Evolutions: Real Time Strategy Evolved mod for C&C3: Tiberium Wars

Evolutions is a "Halo Wars" style mod for Command and Conquer 3: Tiberium Wars that features epic ground and air warfare on a massive scale. Evolutions brings many instruments of war from the Halo universe to life, allowing the player to fight as the Covenant or the UNSC in epic battles based on iconic Halo locales.